January Weather in Puerto Rico, Mexico

Last updated: August 27, 2025

In January, the average temperature in Puerto Rico, Mexico is a pleasant 24°C (76°F), with lows dipping to 17°C (63°F) and soaring highs reaching 33°C (92°F). Expect about 45 mm (1.8 in) of rainfall spread over 7 days, contributing to an average humidity level of 78%. Perfect for those who enjoy warm, slightly humid weather!

January Temperature in Puerto Rico

In January in Puerto Rico, the average temperature is 24°C (76°F). Maximum temperatures can reach up to 33°C (92°F), while the minimum can drop to as low as 17°C (63°F). Overall, this climate makes Puerto Rico a comfortable destination for travelers seeking mild weather.

January Weather in Puerto Rico: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Puerto Rico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Rico, January typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 17°C (63°F).

Data source: Temperature data for Puerto Rico generated using information from the Copernicus Climate Change Service.

January Precipitation in Puerto Rico

In Puerto Rico in January, the precipitation amount is 45 mm (1.8 in) spread over a duration of 7 days.

January Precipitation Trends in Puerto Rico

The chart displays monthly precipitation patterns in Puerto Rico, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Puerto Rico, January typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Puerto Rico

In Puerto Rico in January, humidity is 78%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel sticky and uncomfortable, potentially leading to fatigue for travelers.

January Average Humidity in Puerto Rico

This chart illustrates the average monthly humidity levels in Puerto Rico, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Puerto Rico is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Puerto Rico

In Puerto Rico in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Puerto Rico.

Maximum UV Index Levels in Puerto Rico for January

The chart shows the monthly maximum UV Index (UVI) for Puerto Rico in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Puerto Rico typically reaches 9, which falls under the very high exposure category.

Data source: Puerto Rico January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Puerto Rico Compares to Other Months

Weather in Puerto Rico varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Puerto Rico, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Puerto Rico, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	45 mm (1.8 inches)	78%	very high
February Weather	26°C (78°F)	18 mm (0.7 inches)	73%	extreme
March Weather	27°C (81°F)	17 mm (0.7 inches)	64%	extreme
April Weather	29°C (85°F)	25 mm (1.0 inches)	61%	extreme
May Weather	30°C (87°F)	53 mm (2.1 inches)	59%	extreme
June Weather	29°C (84°F)	272 mm (10.7 inches)	59%	extreme
July Weather	29°C (84°F)	82 mm (3.2 inches)	64%	extreme
August Weather	29°C (84°F)	118 mm (4.7 inches)	76%	extreme
September Weather	28°C (83°F)	200 mm (7.9 inches)	80%	extreme
October Weather	27°C (81°F)	247 mm (9.7 inches)	82%	extreme
November Weather	26°C (78°F)	120 mm (4.7 inches)	83%	very high
December Weather	24°C (76°F)	47 mm (1.9 inches)	84%	very high